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大口径PE管常见问题汇总,Z全版

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大口径PE管常见问题汇总,Z全版

发布日期:2022-01-19 作者: 点击:

问:大口径PE管塑料管材职业前景怎么?
答:现在中国塑料管材的年增长率已达15%,居世界第一位。“十三五”时期,塑料管材职业估计到2020年产量超越1600万吨,涉水商品仍是首要运用领域;塑料管材在各类资料管材中,市场占有率将超越55%。
Q: how large diameter PE pipe plastic pipe occupation prospects?
A: now China's annual growth rate of plastic pipe has reached 15%, ranking first in the world. "13th Five-Year" period, the plastic pipe occupation is estimated to 2020 output over 16 million tons, is still used in the first field of wading goods; plastic pipes in various types of data in the pipe, the market share will exceed 55%.
“十三五”时期,职业应在开展PVC、PE、PP等传统资料管道商品的基础上,加大改性、复合以及其它新资料的新式塑料管材及配套商品的研制,注重基础科研工作,完善管道出产和运用技能,开发高性能、高附加值的管道商品,以拓宽新的运用领域。
"13th Five-Year" period, occupation should be based on the development of PVC, PE, PP and other traditional data pipeline goods, the development of new types of plastic pipes and supporting commercial modification, composite and other new materials increase, on the basis of scientific research, improve the production pipeline and the application of skills, the development of high performance, high value-added pipeline the commodity, to broaden the new application fields.
问:塑料管材职业PP-R、PP-B、PP-C、PP-HR、ABS、PB、PVC-U、PE-X、HDPE、MDPE、LDPE的意义?
Q: what is the meaning of plastic tubing for professional PP-R, PP-B, PP-C, PP-HR, ABS, PB, PVC-U, PE-X, HDPE, MDPE, LDPE?
答:三型聚丙烯管(PP-R);嵌段共聚聚丙烯管(PP-B);改性聚丙烯管(PP-C);均聚聚丙烯管(PP-HR);丙烯睛-丁二烯-苯乙烯管(ABS);聚丁烯管(PB);承压硬聚氯乙烯管(PVC-U);交联聚乙烯管(PE-X);高密度聚乙烯管(HDPE);中密度聚乙烯管(MDPE);低密度聚乙烯管(LDPE)。
Answer: three types of polypropylene pipe (PP-R); block copolymer of polypropylene pipe (PP-B); modified polypropylene pipe (PP-C); Homopolymer polypropylene pipe (PP-HR); acrylonitrile butadiene styrene (ABS) tube; polybutylene (PB); bearing hard polyvinyl chloride (PVC-U); crosslinked poly ethylene tube (PE-X); high density polyethylene pipe (HDPE); medium density polyethylene pipe (MDPE); low density polyethylene pipe (LDPE).
问:塑料管材和传统管材的口径称谓有何不一样?
Q: plastic pipe and traditional pipe diameter Title Why not?
答:传统管材有3分、4分、6分;1寸、2寸、2寸半以及1/2英寸、3/8英寸、4/3英寸等称号。新式塑料管材通常不这么称号,而是直接用管径尺度来断定,如32、63、300、450等。某些管材也选用内外径一起称号,如铝塑复合管的1216、1620等。
A: the traditional pipe has 3 points, 4 points, 6 points; 1 inches, 2 inches, 2 inches and 1/2 inches, 3/8 inches, 4/3 inches, etc.. The new plastic pipe is usually not so title, but directly with the pipe diameter to determine, such as 32, 63, 300, etc.. Some pipes are also used in the internal and external diameter of the title, such as aluminum composite pipe 1216, 1620, etc..
问: PE给水63级、80级、100级是怎样区别的?为何63级的报价Z高?
Q: PE water level 63, level 80, level 100 is how to distinguish? Why is the highest price 63?
答:依据原资料在平等环境下的耐压等级(首要选用静液压试验断定)并圆整后乘以10来区分的。例如某种资料的试验压力为9.99Mpa,通过圆整后乘以10就为100级。
Answer: according to the original data in the equal environment pressure levels (that first round selection and hydrostatic testing) multiplied by 10 to distinguish. For example, the test pressure of a certain material is 9.99Mpa, after the round by 10 multiplied by the level of 100.
等级越高,通常来说在平等的压力适用管材上壁厚就越薄,63级商品因壁厚较厚,资料用量较多,故报价较高。

The higher the level, usually in the application of equal pressure on the wall thickness of the thinner, the 63 tier products because of thick wall thickness, the amount of data is more, so the higher the price.

大口径PE管

问:啥是规范尺度比?
Q: what is the normative scale?
答:管材的公称外径与公称壁厚的比值。
Answer: the ratio of nominal diameter and nominal wall thickness.
问:啥叫管材的圆度?
Q: what is the roundness of the pipe?
答:所谓圆度,即是任一封闭形状的外接圆与此形状的面积的差值,和此外接圆面积的比值。数值越小,阐明此形状越挨近圆。关于管材来说,特别是大口径的给水、排水管,对圆度都是有必定请求的,也即是咱们常说的管道看起来有些扁,可是如果在必定范围内契合圆度请求时都应该是没有问题的。
Answer: what is the difference of circle roundness, shape and the shape of any closed area, and the ratio of the area of the circle. The smaller the value, the closer the shape to the circle. A pipe, especially the water supply and drainage pipe of large diameter, roundness are a set of requirements, that is we often say that the pipeline looks flat, but if the fit of roundness in a certain range when the request should be no problem.
问:常说的5000次冷热水试验是啥意思?
Q: what do you mean by the 5000 hot and cold water test?
答:管材出厂前都必须通过十分严厉的质量检查,其间5000次冷热水是其间十分重要的一部分,首要目的是检查管材和管件在恶劣情况下的运用性能。详细是管材与管件衔接后通冷水15分钟,冷热水交流一次30分钟为一个循环,总共进行5000次,看有无漏水和爆管景象。
A: before leaving the factory must pass a very strict quality inspection, during which the 5000 hot and cold water is a very important part of it, the primary purpose is to check the pipe and pipe fittings in the harsh conditions of the use of performance. After the tube and pipe connection is connected to the cold water for 15 minutes, cold and hot water exchange for a cycle of a total of 30 minutes, a total of 5000 times, to see if there is no leakage and explosion scene.
问:啥叫管道不开挖技能?首要技能计划有那几种?其经济指标怎么?
Q: what is the pipeline trenchless skills? What are the primary skills? What are its economic indicators?
答:不开挖技能(TT)首要兴起于石油、天然气职业,首要用于油、气管道的更新修正,今后逐渐运用于污水管及给水管的创新改造中,并跟着PE管等新式管材的运用而敏捷推行。其技能首要有:
Answer: (TT) the first excavation skills do not rise in oil and natural gas occupation, mainly used for oil and gas pipeline update, the future is gradually used in sewage pipe for water supply and innovation, and follow the new PE pipe using agile implementation. The main skills:
①管道在线修正创新技能——内衬管滑(拉)入衬装、无缝衬装、管道翻衬、管道喷涂衬装;
On line correction innovative skills - liner sliding (pull) into the lining, seamless lining, pipe lining, pipe spray lining;
②在线管道更新技能——爆(碎)管衬装;
On line pipeline renewal skill - burst (broken) pipe lining;
③非在线敷管技能——非定(导)钻技能、定(导)钻技能、顶管及微型地道施工技能。
Non online pipe laying skills - non - fixed (Guide) drilling skills, set (Guide) drilling skills, pipe jacking and micro tunnel construction skills.
不开挖管道一般技能经济指标
General technical economic index of Trenchless Pipeline
项目典型施工速度(m/d)* 施工费用(以管径为150mm为例)(元/m)
Typical construction speed of the project (m/d) * construction cost (take 150mm as an example) (yuan /m)
内衬管滑(拉)入衬装 100 492
Liner slide (pull) into the lining 100492
无缝衬装 60~120 740
Seamless lining 60 ~ 120740
管道翻衬 100~200 980~1 230
Pipe lining 100 ~ ~ 200980 ~ ~ 1230
管道喷涂衬装 100 水泥砂浆喷涂:333环氧树脂喷涂:492
Pipeline spray lining 100 cement mortar spraying: 333 epoxy resin spraying: 492
爆(碎)管衬装 100 740
Burst (broken) tube lining 100740
注:*施工速度是在满意8 h内使更新管道康复供水的条件下得出的,而不是由于技能自身的约束。
Note: * construction speed is achieved within 8 h of the renewal of the pipeline rehabilitation water supply conditions, rather than due to the constraints of their own skills.
问:现代建筑职业为何发起运用塑料管材?
Q: why is the use of modern construction profession plastic pipe?
答:1.塑料管材的技能现已老练。
Answer: 1 plastic pipe technology has been sophisticated.
2.塑料管道体系便于装置和修理。
2 plastic piping system facilitates installation and repair.
3.塑料管道的流体运送才能比别的平等级管道体系的才能大,一起长期运用后不影响管道内壁摩阻系数,不会过大改变。
3 plastic pipeline fluid transport can be more than the level of the pipeline system can be large, long-term use does not affect the friction coefficient of the pipeline wall, will not change too much.
4.塑料管道体系耐腐蚀,抗老化,运用寿命长。
4 plastic piping system corrosion resistance, anti-aging, long service life.
5.塑料管道体系对环境不会形成过度破坏,归于环保型体系。
5 plastic piping system will not form excessive damage to the environment.


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